linux-kernel - Re: [PATCH] ext4: fix bug_on in __es_tree

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Date:   Wed, 18 May 2022 22:17:27 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Baokun Li <libaokun1@...wei.com>, linux-ext4@...r.kernel.org
Cc:     "Theodore Ts'o" <tytso@....edu>, adilger.kernel@...ger.ca,
        Hulk Robot <hulkci@...wei.com>, jack@...e.cz,
        yukuai3@...wei.com, linux-kernel@...r.kernel.org,
        yi.zhang@...wei.com, yebin10@...wei.com
Subject: Re: [PATCH] ext4: fix bug_on in __es_tree_search

On Wed, 18 May 2022 20:08:16 +0800, Baokun Li wrote:
> Hulk Robot reported a BUG_ON:
> ==================================================================
> kernel BUG at fs/ext4/extents_status.c:199!
> [...]
> RIP: 0010:ext4_es_end fs/ext4/extents_status.c:199 [inline]
> RIP: 0010:__es_tree_search+0x1e0/0x260 fs/ext4/extents_status.c:217
> [...]
> Call Trace:
>  ext4_es_cache_extent+0x109/0x340 fs/ext4/extents_status.c:766
>  ext4_cache_extents+0x239/0x2e0 fs/ext4/extents.c:561
>  ext4_find_extent+0x6b7/0xa20 fs/ext4/extents.c:964
>  ext4_ext_map_blocks+0x16b/0x4b70 fs/ext4/extents.c:4384
>  ext4_map_blocks+0xe26/0x19f0 fs/ext4/inode.c:567
>  ext4_getblk+0x320/0x4c0 fs/ext4/inode.c:980
>  ext4_bread+0x2d/0x170 fs/ext4/inode.c:1031
>  ext4_quota_read+0x248/0x320 fs/ext4/super.c:6257
>  v2_read_header+0x78/0x110 fs/quota/quota_v2.c:63
>  v2_check_quota_file+0x76/0x230 fs/quota/quota_v2.c:82
>  vfs_load_quota_inode+0x5d1/0x1530 fs/quota/dquot.c:2368
>  dquot_enable+0x28a/0x330 fs/quota/dquot.c:2490
>  ext4_quota_enable fs/ext4/super.c:6137 [inline]
>  ext4_enable_quotas+0x5d7/0x960 fs/ext4/super.c:6163
>  ext4_fill_super+0xa7c9/0xdc00 fs/ext4/super.c:4754
>  mount_bdev+0x2e9/0x3b0 fs/super.c:1158
>  mount_fs+0x4b/0x1e4 fs/super.c:1261
> [...]
> ==================================================================
> 
> [...]

Applied, thanks!

[1/1] ext4: fix bug_on in __es_tree_search
      commit: b76a7dd9a7437e8c21253ce3a7574bebde3827f9

Best regards,
-- 
Theodore Ts'o <tytso@....edu>